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Cell-Based Therapies for Stroke: Promising Solution or Dead End? Mesenchymal Stem Cells and Comorbidities in Preclinical Stroke Research
Conclusion The high prevalence of comorbidities in patients with stroke indicates the need for therapies in preclinical studies that take into account these comorbidities in order to avoid failures in translation to the patient. Preclinical studies are beginning to evaluate the efficacy of MSC treatment in stroke associated with comorbidities, especially hypertension, for ischemic and hemorrhagic stroke. Regarding aging and diabetes, only ischemic stroke studies have been performed. For the moment, few studies have been performed and contradictory results are being reported. These contradictory results may be due to the u...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

Effect of Inflammation on the Process of Stroke Rehabilitation and Poststroke Depression
Conclusions Stroke comprises ischemic stroke and ICH. The immuno-inflammatory process is involved in neural plasticity following events such as a hemorrhage or ischemic stroke. After ischemia, astrocytes, microglia, and MDMs play important roles during rehabilitation with the modulation of cytokines or chemokines, such as TNF-α and IL-1. Moreover, MiRNAs are also important posttranscriptional regulators in these glial mitochondrial responses to cerebral ischemia. ICH involves processes similar and different to those seen in ischemia, including neuronal injury, astrocytic and microglial/macrophage activation, and n...
Source: Frontiers in Psychiatry - April 10, 2019 Category: Psychiatry Source Type: research

Age- and Sex-Associated Impacts of Body Mass Index on Stroke Type Risk: A 27-Year Prospective Cohort Study in a Low-Income Population in China
Conclusions Being overweight increased the risk of both ischemic and hemorrhagic strokes; obesity was only associated with an increased risk of IS. Additionally, the positive association between BMI and stroke risk was only observed in participants aged <65 years and the associations differed between men and women. Being overweight increased the risk of both ischemic and hemorrhagic strokes in men and being underweight increased their risk of hemorrhagic stroke. In women, being overweight increased the hemorrhagic stroke risk, whereas obesity increased their IS risks. The high prevalence of hypertension and elevat...
Source: Frontiers in Neurology - April 30, 2019 Category: Neurology Source Type: research

Randomised placebo-controlled multicentre trial to evaluate the efficacy and safety of JTR-161, allogeneic human dental pulp stem cells, in patients with Acute Ischaemic stRoke (J-REPAIR)
Introduction JTR-161 is a novel allogeneic human cell product consisting of dental pulp stem cells isolated from the extracted teeth of healthy adults. It is currently under development as a cell-based therapy for ischaemic stroke. The aim of this study is to evaluate the safety and efficacy of JTR-161 in patients with acute ischaemic stroke when given as a single intravenous administration within 48 hours of symptom onset. Methods and analysis This is a first-in-human, randomised, double-blind, placebo-controlled, multicentre, phase 1/2 clinical trial to be conducted in Japan (from January 2019 to July 2021). Patients wi...
Source: BMJ Open - May 24, 2022 Category: General Medicine Authors: Suda, S., Nito, C., Ihara, M., Iguchi, Y., Urabe, T., Matsumaru, Y., Sakai, N., Kimura, K., on behalf of the J- REPAIR trial group, Okubo, Takeuchi, Takao, Takahashi, Morimoto, Akaiwa, Ishii, Kanzawa, Kanai, Yoshimura, Hara, Tsujino, Kamatsuka, Inoue, Iwa Tags: Open access, Neurology Source Type: research

Robot-Assisted Therapy in Upper Extremity Hemiparesis: Overview of an Evidence-Based Approach
Conclusion Robotic therapy has matured and represents an embodiment of a paradigm shift in neurorehabilitation following a stroke: instead of focusing on compensation, it affords focus in ameliorating the impaired limb in line with concepts of neuroplasticity. This technology-based treatment provides intensity, interactivity, flexibility, and adaptiveness to patient's performance and needs. Furthermore, it increases the productivity of rehabilitation care. Of course, efficiency must be discussed within a local perspective. For example, following the cost containment shown in the VA ROBOTICS study (46), the UK Nati...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research

Orally Administered Crocin Protects Against Cerebral Ischemia/Reperfusion Injury Through the Metabolic Transformation of Crocetin by Gut Microbiota
Conclusion Collectively, pharmacokinetic and pharmacodynamic association studies provide evidence that the gut microbiota plays a vital role in the fate of crocin and crocetin in the gastrointestinal tract. In addition, the cross-interaction between gut microbiota and crocin might mediate the activation of the cerebral-protective effect of orally administered crocin. Ethics Statement This study was carried out in accordance with the recommendations of ‘Institutional Animal Research Committee guidelines, Animal Ethics Committee of China Pharmaceutical University.’ The protocol was approved by the ‘An...
Source: Frontiers in Pharmacology - April 29, 2019 Category: Drugs & Pharmacology Source Type: research

The Effects of Intelectin-1 on Antioxidant and Angiogenesis in HUVECs Exposed to Oxygen Glucose Deprivation
Conclusion: These results suggest intelectin-1 promotes angiogenesis, inhibits oxidative stress and reduces apoptosis by stimulating the Akt-eNOS signaling pathway in response to ischemia in vitro. Introduction Stroke is a main reason of human neurological disability, ischemic stroke (IS) accounts for almost 80–90% of all strokes. IS occurs after a cerebral blood flow disruption, leading to cellular death and tissue damage by restricting glucose and oxygen supplies (1). Ischemic vascular diseases cause substantial vascular valve and vascular endothelial cell injuries, eventually damaging the surrounding tis...
Source: Frontiers in Neurology - April 15, 2019 Category: Neurology Source Type: research

Current status of cardiovascular surgery in Japan, 2015 and 2016: analysis of data from Japan Cardiovascular Surgery Database. 4 ―Thoracic aortic surgery
ConclusionsThe number of operations for thoracic and thoracoabdominal aortic diseases has increased, though the rate of operations using an OAR approach has decreased. While TEVAR showed the lowest mortality and morbidity rates, OAR demonstrated the lowest postoperative stroke rate for non-dissecting aortic arch aneurysms.
Source: General Thoracic and Cardiovascular Surgery - July 15, 2019 Category: Cardiovascular & Thoracic Surgery Source Type: research

Early Outcomes of Left Subclavian Artery Revascularization Using Castor Single-Branched Stent-Graft in the Treatment of Type B Aortic Dissection or Intramural Hematoma.
CONCLUSIONS: LSA should be revascularized during TEVAR to reduce the incidences of stroke and left arm ischemia. Castor single-branched stent-graft was feasible and safe for treating TBAD or IMH. PMID: 33342930 [PubMed - as supplied by publisher]
Source: Annals of Thoracic and Cardiovascular Surgery - December 18, 2020 Category: Cardiovascular & Thoracic Surgery Authors: Fang C, Wang C, Liu K, Pang X Tags: Ann Thorac Cardiovasc Surg Source Type: research

Gore Wins 3 Nods for Molding and Occlusion Balloon
W.L. Gore & Associates has won approvals and clearances from a wide variety of regulatory bodies for its Molding and Occlusion Balloon. The technology has received FDA clearance; a CE mark; and approval from the Japanese Ministry of Health, Labour, and Welfare. The Flagstaff, AZ-based company’s device is a compliant polyurethane balloon catheter. The Molding and Occlusion Balloon was designed in close collaboration with clinicians to assist in the expansion of self-expanding stent grafts or to temporarily occlude large-diameter vessels. Gore said the new device meets all endovascular aortic repair (EV...
Source: MDDI - August 24, 2018 Category: Medical Devices Authors: Omar Ford Tags: Business Cardiovascular Source Type: news

Canagliflozin Inhibits Human Endothelial Cell Proliferation and Tube Formation
In conclusion, the present study identified canagliflozin as a potent inhibitor of human EC proliferation. The anti-proliferative action of canagliflozin is observed in ECs isolated from both the venous and arterial circulation, and is partly due to the blockade of cyclin A expression. In addition, this study found that canagliflozin inhibits tube formation in cultured ECs and mouse aortic rings. Notably, these actions are specific for canagliflozin and not seen with other SGLT2 inhibitors. The ability of canagliflozin to exert these pleiotropic effects on EC function may contribute to both the adverse and salutary actions...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research

Technical tips and clinical experience with the Terumo Relay ®Branch aortic endovascular graft
J Cardiovasc Surg (Torino). 2023 Feb;64(1):26-32. doi: 10.23736/S0021-9509.22.12552-8.ABSTRACTAdvances in thoracic endovascular aortic repair (TEVAR) are enabling the treatment of increasingly proximal pathology. While the practice of vascular surgery has thus far been mostly limited to TEVAR in zone 2 or more distally, there are emerging devices for zone 1 and zone 0 repair that do not require any further arch debranching compared with a zone 2 repair. Moreover, such devices set forth repair options for patients unable to tolerate the insult of open surgery. One zone 0 device under evaluation is the Terumo Relay®Branch (...
Source: The Journal of Cardiovascular Surgery - February 10, 2023 Category: Cardiovascular & Thoracic Surgery Authors: Katherine M Holzem Luis A Sanchez Source Type: research

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